Assig-nob of one half to theo



E. BUTLER.

(No Modelli) STOVB.

No. 359,532.` Patented Mar. V15, 1887.

yNrrsn Parana* rares..

EDVARD BUTLER, OF ATLANTIC, IOW'A, ASSIGNOR OF ONE HALF TO THEO` G. STEINKE, OF SAME PLACE.

STOVE.

SPECIFICATION forming peut of Letters Patent No. 359,532, dated March 15, 1887.

Application filed December 4, 1885. Serial No. 184,717. (No model.)

.To @ZZ whom, t may concern: b rests upon the bottom of the cylinder s and Be itknownthat I, EDWARD BUTLER, acitisupports the magazine. Between the magazen of the United States, residing at the city zine R and the cylinder s is the air space or of Atlantic, in the county of Cass and State of chamber y, 'open at the top and closed at the 55 5 Iowa, have invented a new and useful Imbottom,andhavingopeninginto it the tubesi. provenient in Stoves, of which the following The stove has two cases or drums, c and e, is a specification. the outer drum, a., being considerably larger My invention relates to improvements in in diameter than theinner drum, e. Between that class oi' stoves known as hot-air stovesf7 the drums is theair-passage w. The outerdrum, 6o ro and the objects of my improvements are to a, rests upon the rim k of the plate D. The inkeep the coal in the magazine of a self-feed nerdrum, c, rests upon theplateDinside of the ing stovecool by means of introducing and apertures n a a n. The tubes i i lead from the circulating cool air around the magazine; also, chamber 1/ through the inner drum, e, thence to ut-ilize the heat in warming, the room that downward between the drums a and e, and 65 15 the airwhich surrounds the magazine receives. throught-he plate D. There can be one or I attain these objects by the stove or heater more of the tubes z' z used in the construction illustrated in the accompanying drawings, in of the stove, andthe tubes t' i can be made to whichpassgdown through the chamber G and through Figure l is a vertical central section of the the plate D without passing through the in- 7o zo stove from front to rear. Fig. 2 is a crossner drum, c.

section of the stove on the line :c x, (indt Pis theire-pot, Iand C the smoke-chamber, cated in Fig. l.) Fig. 3 is aldetailed view of of the stove. The smoke passes from the the top plate of the stove. Fig. 4 is a dechamber C through the pipe h into the escapetailed View of the bottom plate of the stove. pipe o, except when the pipe h is closed by a 7 5 2 5 Similar letters refer to' similar parts through-v damper. Then the smoke passes into the pipe out the several views. o through the pipe m. The stove has the or- The bottom plate, D, has the apertures or dinary opening to admit the air to supply the slots a a n n, and between the apertures the oxygen for combustion. J supports t t, which connect with-,and support It is evident that when a iire isk made in the 80 3o the rim k, upon which the outer case or drum stove the inner drum,.e, will become hot and of thestove rests. A heat the air in the passage w, causing it to The top plate, E, has the apertures d d, for rise and escape into the room through the ap the escape of the air that circulates between ertures d d of the plate E. At the same time the drums c and e. It also has an aperture for the cold air will enter through the apertures 8 5 35 the insertion of the cylinder s, which suran nu into the passage w. It is also apparrounds and supports the magazine. The cylent that the cylinder s will become hot and inder s is secured to the plate E. In the botheat the air in the chamber y, causing it to tom of the cylinder s is an aperture of suftiriseand pass into the room, and at the same vcient size to allow the magazine R to project time the cold air will ent-er the tubes i t' at 90 4o through. The top of the cylinderis open, butl their lower ends and pass through the tubes has arms o fu, reaching inward from the inner into the chamber y, thus keeping the, maga circumference of the cylinder at its top, and of zine cool and warming the room. y sufticient length to touch the magazine on its The apertures d d, which are over the airoutward circumference. The cylinder also has passage w, can be closed in any convenient g5' 45 perforations near its base to admit the tubest' i. manner and the circulation of the air between The magazine R,which holds the coal to feed the drums checked without stopping the circuA the stove, has a smaller diameter than the cyllation through the tubes i i. inder s, and it has a flange, b, cast upon its Havingdescribedmyinvcntion,whatI claim outer circumference near its base. as new, and desire to secure by Letters Patent, Io i 5o The magazine R is within the cylinder s, is-

and projects through and below it. The flange 1. The combination of the inner drum, the

smoke-chamber having in open communica.- tion therewith a fire-pot, the magazine to hold the fuel and deliver it to the lire-pot, the cylinder which surrounds the magazine, and which is itself su rronnded throughout its entire length bythe sinokeehamber, the air-eha`m ber between the magazine and cylinder, the air-tubes which extend upward from the base 0f the steve below the bottom of the fire-pot and pass through the walls of the cylinder s and open into the air-chamber y, the perforated top plate, and the perforated bottom plate, allsubstantially as described and shown.

2. A stove consisting of au outer and inner drum, an airpassage between said drums, a smoke-chamber having outlets for the escape ofthe smoke and having iu open communieal tion therewith an ordinary fire-p0t, a magazine to hold the fuel and deliver it into the firepot, a cylinder which surrounds the magazine, a chamber, y, between the magazine and cylinder, the tubes extending upward from the base 0f the stove between the lower and middie portions of the drums, thence turning and passing through the inner drum and through the walls of the cylinder, and opening into the chamber between the cylinder and magazine, a perforated top plate, and a perforated bottom plate, all combined substantially as described.

EDWARD BUTLER. Witnesses:

.Tosnru B. Rocimmanrow, LAFAYETTE F. WIULLINs. 

